San Alfonso del Mar Resort Has the Largest Swimming Pool in the World (21 pics)

San Alfonso del Mar resort in Algarrobo, Chile, has the largest swimming pool in the world. It's 3,324 ft (1,015 m) long and has a total area of 19.8 acres (8 hectares). The pool holds 66 million gallons (250 million liters) of water, as much as 6,000 normal pools. Incredible!